BACnet Protocol Gateway
4
5 Introduction for Gateway
5.1 Interface
5.1.1 Diagram of Interface Function
Fig. 5.1 Schematic of protocol gateway interfaces of multi VRF unit
5.1.2 Power
The input power supply is 24V DC, there are two power supply input interfaces,
only one is needed during operation; the power supply output is not applicable in
this device, please do not connect to electric appliance, otherwise it may cause
malfunction of gateway.
5.1.3 Communication Interface
CAN comm port: this device will not use this communication interface
temporarily.
RS485-1 comm port: connect to the unit(s) or the connection between adjacent
gateways.
RS485-2 comm port: this device will not use this communication interface
temporarily.
USB and SD card port: this device will not use this interface temporarily.
Ethernet comm port ETH0: realize communication through network cable and
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